Major libk restructuring, also rewrote drivers/serial.h

libk/include/screen/gfxmode.h

@@ -1,5 +1,5 @@
-#ifndef SCREEN_GFXMODE_H
-#define SCREEN_GFXMODE_H
+#ifndef _SCREEN_GFXMODE_H
+#define _SCREEN_GFXMODE_H
 
 #include <memory/addresses.h>
 #include <stdint.h>

libk/include/screen/graphics.h

@@ -1,9 +1,9 @@
-#ifndef SCREEN_GRAPHICS_H
-#define SCREEN_GRAPHICS_H
+#ifndef _SCREEN_GRAPHICS_H
+#define _SCREEN_GRAPHICS_H
 
 #include <stdint.h>
 
-#define rgb(r,g,b) ( ((r) << 16 | (g) << 8 | (b)) & 0x00ffffff )
+#define rgb(_r,_g,_b) ( ((_r) << 16 | (_g) << 8 | (_b)) & 0x00ffffff )
 
 void drawPixel(int32_t x, int32_t y, uint32_t color);
 void drawLine(int32_t x1, int32_t y1, int32_t x2, int32_t y2, uint32_t color);

libk/include/screen/text.h

@@ -1,5 +1,5 @@
-#ifndef SCREEN_TEXT_H
-#define SCREEN_TEXT_H
+#ifndef _SCREEN_TEXT_H
+#define _SCREEN_TEXT_H
 
 #include <stdint.h>
 

libk/include/screen/tty.h

@@ -0,0 +1,23 @@
+#ifndef _SCREEN_TTY_H
+#define _SCREEN_TTY_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef struct {
+    uint32_t x;         // X Position of cursor in characters
+    uint32_t y;         // Y Position of cursor in characters
+    uint32_t bg;        // Printed character background
+    uint32_t fg;        // Printed character foreground
+    uint32_t width;     // Width in characters 
+    uint32_t height;    // Height in characters
+    char cursorChar;    // Character to use as a cursor
+    bool hideCursor;    // Should we display the cursor
+} console_t;
+
+extern console_t* console;
+
+int32_t consoleWrite(const void* buf, uint32_t len);
+void toggleCursor();
+
+#endif